document.write( "Question 947546: the average marks of Deanne in four subjects is 68. How much marks should she score in first subject to get average score as 70. \n" ); document.write( "
Algebra.Com's Answer #578201 by andora(7)![]() ![]() ![]() You can put this solution on YOUR website! Let's assume x is the score in 4 subjects \n" ); document.write( "so it goes like \n" ); document.write( "x/4=68 \n" ); document.write( "So x=4*68=272 \n" ); document.write( "To make it 70 we'll assume y as the score in four subjects she should aim to \n" ); document.write( "Y/4=70 \n" ); document.write( "Y=4*70=280 \n" ); document.write( "So Deanna should increase her marks in the first subject 280-272=8 marks \n" ); document.write( " |